428647594 has 8 divisors (see below), whose sum is σ = 643265280. Its totient is φ = 214225836.

The previous prime is 428647577. The next prime is 428647603. The reversal of 428647594 is 495746824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43384 + ... + 52339.

It is an arithmetic number, because the mean of its divisors is an integer number (80408160).

Almost surely, 2^428647594 is an apocalyptic number.

428647594 is a deficient number, since it is larger than the sum of its proper divisors (214617686).

428647594 is a wasteful number, since it uses less digits than its factorization.

428647594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97964.

The product of its digits is 1935360, while the sum is 49.

The square root of 428647594 is about 20703.8062684135. The cubic root of 428647594 is about 753.9921021624.

The spelling of 428647594 in words is "four hundred twenty-eight million, six hundred forty-seven thousand, five hundred ninety-four".